Question

define the terms intensity of sound,loudness,echo and reverberation.​

Answer 1

Answer:

Intensity of sound of the sound energy passing normally on an area of 1m².The SI unit is watt per m²

Loudness is the characteristic by virtue of which a loud sound can be distinguished from a faint sound of sand pitch and quality. The SI unit is phon.

Echo is the reflection of sound from a distant obstacle such as a hill after the original sound has ceased.

The repeated reflection of sound waves makes the sound to get prolonged. This is called reverberation.

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